TN

Takeshi Nagahisa

Ricoh Company: 6 patents #3,275 of 9,818Top 35%
📍 Toyonaka, JP: #250 of 1,166 inventorsTop 25%
Overall (All Time): #837,431 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9923546 High-pass filter circuit and band-pass filter circuit Yasukazu Nakatani 2018-03-20
9880058 Semiconductor integrated circuit 2018-01-30
9246446 Chopper amplifier 2016-01-26
9071208 Signal amplification circuit and signal amplification determination circuit including the signal amplification circuit 2015-06-30
8969810 Infrared sensor device Katsuhiko Aisu, Hirofumi Watanabe 2015-03-03
8152363 Temperature detection circuit 2012-04-10